Small and bright, this seldom photographed object above was photographed during full moon, solid evidence that productive astrophotography doesn't have to stop during this period. This object is only 17 seconds of arc in size, but is a brilliant 9.2 magnitude in brightness. I had to image this object using a 2x Televue Big Barlow, to double my focal length, and therefore was shooting my 12.5 inch scope at f/10. Finding a nearby guidestar bright enough for the RGB frames was impossible in my case, and I backed off to prime focus and a binning of 1x1 for the color frames. you can see the difference putting a barlow in the system does for you by comparing the above image with this image below, the prime focus shot both binned 1x1. Prime focus image Instrument: 12.5" f/5 Home made Newtonian Platform: Astrophysics 1200 QMD CCD Camera: SBIG ST7E w/Enhanced Cooling Exposure: LRGB = 30:10:10:10 Filters: RGB Tricolor Location: Payson, Arizona Elevation: 5150 ft. Sky: Seeing FMHW = 2.0 arcsec, Transparency 8/10, Full Moon in Sky Outside Temperature: 15 C CCD Temperature: -25 C Processing: Maxim DL, Photoshop, PW Pro.
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